No Characters Appear On Screen; Characters Are Distorted Or Incorrect; System Cooling Fans Do Not Rotate Properly - Nortel 2340 Installation Manual

No characters appear on screen

Check the following:
• Is the keyboard functioning? Test it by turning the "Num Lock" function on and off to make sure the Num Lock
light is functioning.
• Is the video monitor plugged in and turned on? If you are using a switch box, is it switched to the correct system?
• Are the brightness and contrast controls on the video monitor properly adjusted?
• Is the video monitor signal cable properly installed?
• Does this video monitor work correctly if plugged into a different system?
• Is the onboard video controller enabled in the BIOS?
• Remove any add-in card and see if the video returns.
• Make sure the memory DIMMs comply with the system requirements.
• Make sure the memory DIMMs have been populated according to the system requirements.
• Remove the memory DIMMs and re-seat them.
• Make sure the processor complies with the system requirements.
• Remove the processor and re-seat it.
If you are using an add-in video controller board, do the following:
1
Verify that the video works using the onboard video controller.
2
Verify that the video controller board is fully seated in the server board connector.
3
Reboot the system for changes to take effect.
4
If there are still no characters on the screen after you reboot the system and POST emits a beep code,
write down the beep code you hear. This information is useful for your service representative.
5
If you do not receive a beep code and characters do not appear, the video display monitor or video
controller may have failed. Contact your service representative or authorized dealer for help.

Characters are distorted or incorrect

Check the following:
• Are the brightness and contrast controls properly adjusted on the video monitor? See the manufacturer's
documentation.
• Are the video monitor's signal and power cables properly installed?
• Does this video monitor work correctly if plugged into a different system?

System cooling fans do not rotate properly

If the system cooling fans are not operating properly, it is an indication of possible system component failure.
Check the following:
• Is the power-on light lit? If not, see,
• Are any other front panel LEDs lit?
"Power light does not light".
Nortel WLAN — Location Engine 2340 Installation
Troubleshooting 51